Home / 57,066.59-78,773.07-42,960.35

Finding the Fourth Proportional to 57,066.59, 78,773.07 and 42,960.35

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Solution

The fourth proportional to 57,066.59, 78,773.07 and 42,960.35 is: 59,301.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,066.59 : 78,773.07 = 42,960.35 : x
  2. Step 2: Convert to fraction form
    57,066.59/78,773.07 = 42,960.35/x
  3. Step 3: Cross multiply
    57,066.59x = 78,773.07 × 42,960.35
  4. Step 4: Simplify right side
    57,066.59x = 3,384,118,657.77
  5. Step 5: Solve for x
    x = 3,384,118,657.77/57,066.59
  6. Step 6: Final answer
    x = 59,301.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.